var backgroundForestImg = new Image();
var mushroomImg = new Image();
var ctx;
var screenWidth;
var screenHeight;

mushroomImg.src = "jimo.gif";
backgroundForestImg.src = "bk.jpg";
ctx = document.getElementById('canvas').getContext('2d');
screenWidth = parseInt($("#canvas").attr("width"));
screenHeight = parseInt($("#canvas").attr("height"));

function GameObject()
{
	this.x = 0;
	this.y = 0;
	this.image = null;
}

function Mushroom(){};
Mushroom.prototype = new GameObject();